Cap for portable beverage container



FIG. 1 is a perspective view of the cap;

FIG. 2 is a front elevation of the cap;

FIG. 3 is side elevational of the cap; and,

FIG. 4 is a top plan view of the cap.

The broken lines showing the base of the cap and beverage bottle are included for the purpose of illustrating the unclaimed portions of the article and forms no part of the claimed design. 

The ornamental design for a cap for portable beverage container, as shown and described. 